48
ENGINE
CS-370ES
CS-420ES
7-9 Replacing oil seal and ball bearing
1. Check oil seal(s) and replace if defective.
2. Check ball bearing(s) for smooth rotation. If not,
remove ball bearing(s) using bearing wedge (A)
897701-02830.
NOTE: When removing the oil seal or ball bearing
at clutch side, worm gear should be removed in
advance (Refer to “6-8 Removing worm gear”).
3. Install new ball bearing(s) onto crankshaft using
bearing/seal tool 897726-09130 (B). Bearing should
be completely seated against crankshaft
counterweights.
NOTE: Preheat ball bearing using heating gun, heat
lamp, or suitable heater for easier installation.
4. Install oil seals onto both ends of crankshaft
insuring proper direction of oil seal.
7-8 Inspecting crankcase and crankshaft
1. Clean crankcase. Replace as a set of cylinder
and crankcase if damaged.
2. Completely remove sealant residue on mating
surfaces and bearing bore of crankcase using
wooden or plastic scraper, or chemical gasket
remover.
3. Measure crankshaft runout and replace if it
exceeds service limits (Refer to “1-5”). Replace
crankshaft if the connecting rod bearing is rough,
damaged, or discolored.
A
B
1K264
To Next Page
Loading...
Need help?
General
